condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0335675 0.0 0.067135 4 h after light 0.11830235 0.0607587 0.175846 8 h after light 0.0 0.0 0.0 12 h after light 0.068258 0.0 0.136516 2 h after dark 0.0977142 0.0615624 0.133866 4 h after dark 0.0298235 0.0 0.059647 8 h after dark 0.0336292 0.0 0.0672584 12 h after dark 0.0626092 0.0613878 0.0638306